The shelf life of 8mm, Super 8 & 16mm film is anywhere from 40-80 years, dependent mainly on how the film is stored. If you have kept your movie film in a cool, dry environment, that will give you a longer shelf life of say keeping it in a damp & hot environment.
Top 5 worst places we get film from:
The best place to store your film believe it or not is in a freezer!
Also when film goes bad, it smells of vinegar.
Below are videos showing you what film looks like when it physically deteriorates and also film that’s been eaten by a projector. In these cases, the chance of a successful transfer is limited.